NorthStar Medical Radioisotopes, LLC, a global innovator in the development, production and commercialization of radiopharmaceuticals used for therapeutic applications and medical imaging, and Convergent Therapeutics, Inc., a clinical stage radiopharmaceutical company, today announced the signing of a long-term supply agreement for the therapeutic medical radioisotope, actinium-225 (Ac-225). Under terms of the agreement, NorthStar will provide Convergent with its environmentally preferred, high purity non-carrier-added (n.c.a.) Ac-225. Convergent will use NorthStar’s Ac-225 to radiolabel its lead asset, CONV01-α, a prostate-specific membrane antigen (PSMA)-targeted monoclonal antibody, currently being investigated as a potential ground-breaking treatment for prostate cancer.
Ac-225 is a high energy alpha-emitting radioisotope of increasing interest for clinical studies investigating the use of targeted radiopharmaceutical therapy (RPT), which combines select molecules with therapeutic radioisotopes, such as Ac-225, to directly target and deliver therapeutic doses of radiation to destroy cancer cells in patients with serious disease. Ac-225 carries sufficient radiation to cause cell death in a localized area of targeted cells, while its half-life limits unwanted radioactivity in patients. Clinical research and commercial use of Ac-225 are severely constrained by chronic short supply due to limitations of current production technology. NorthStar is positioned to be the first commercial-scale producer of Ac-225 for advancing clinical research and commercial radiopharmaceutical products. The Company will use its environmentally-sound electron accelerator technology to produce n.c.a. Ac-225 that is free of long-lived radioactive contaminants and byproducts associated with other production methods, which pose regulatory and waste management challenges for hospitals and health systems.
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